STOCK TITAN

Arista Networks (ANET) CEO Ullal sells 13,809 shares in Rule 10b5-1 trades

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Arista Networks CEO and Chairperson Jayshree Ullal reported open-market sales of 13,809 shares of common stock pursuant to a Rule 10b5-1 trading plan. The sales on May 26, 2026 were executed at weighted average prices around the mid-$150s per share across multiple transactions.

Separate from these sales, she reports large indirect holdings through various trusts, including 17,482,010 shares held by a family trust and additional trusts holding 5,209,207 shares for each of two children and 30,000 shares for each of two relatives, where she shares voting and investment control and in some cases disclaims beneficial ownership.

Positive

  • None.

Negative

  • None.
Insider Ullal Jayshree
Role CEO and Chairperson
Sold 13,809 shs ($2.14M)
Type Security Shares Price Value
Sale Common Stock 7,740 $154.4723 $1.20M
Sale Common Stock 3,794 $155.4773 $590K
Sale Common Stock 2,175 $156.2194 $340K
Sale Common Stock 100 $157.30 $16K
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 15,986 shares (Direct, null); Common Stock — 5,209,207 shares (Indirect, By Trust for Child 1)
Footnotes (1)
  1. The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $154.00 to $154.97, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $155.00 to $155.95, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $156.00 to $156.52, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares. These shares are held by a family trust for which the reporting person is co-trustee.
Shares sold 13,809 shares Total common shares sold on May 26, 2026
Sale price tranche 1 $154.4723/share Weighted average price for one sale tranche
Sale price tranche 2 $155.4773/share Weighted average price for one sale tranche
Sale price tranche 3 $156.2194/share Weighted average price for one sale tranche
Sale price tranche 4 $157.3000/share Weighted average price for one sale tranche
Family trust holding 17,482,010 shares Common stock held by a family trust
Child trust holdings 5,209,207 shares each Common stock in trusts for Child 1 and Child 2
Relative trust holdings 30,000 shares each Common stock in trusts for niece and nephew
Rule 10b5-1 trading plan regulatory
"were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person"
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
weighted average price financial
"The price reported in Column 4 is a weighted average price."
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
beneficial ownership regulatory
"disclaims beneficial ownership of the shares."
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
open-market sale financial
"transaction_action": "open-market sale""
An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.
Form 4 regulatory
"The exercises and/or sales reported on this Form 4 were made pursuant"
Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.
trust financial
"These shares are held in trust for the benefit of the children of the reporting person"
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
X
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Ullal Jayshree

(Last)(First)(Middle)
5453 GREAT AMERICA PARKWAY

(Street)
SANTA CLARA CALIFORNIA 95054

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Arista Networks, Inc. [ ANET ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
CEO and Chairperson
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/26/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock05/26/2026S(1)7,740D$154.4723(2)15,986D
Common Stock05/26/2026S(1)3,794D$155.4773(3)12,192D
Common Stock05/26/2026S(1)2,175D$156.2194(4)10,017D
Common Stock05/26/2026S(1)100D$157.39,917D
Common Stock5,209,207IBy Trust for Child 1(5)
Common Stock5,209,207IBy Trust for Child 2(5)
Common Stock30,000IBy Trust for Nephew(6)
Common Stock30,000IBy Trust for Niece(6)
Common Stock17,482,010Iby Trust(7)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 14, 2025.
2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $154.00 to $154.97, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $155.00 to $155.95, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $156.00 to $156.52, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
5. These shares are held in trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
6. These shares are held in trust for the benefit of relatives of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.
7. These shares are held by a family trust for which the reporting person is co-trustee.
By: Isabelle Bertin-Bailly, Attorney-in-Fact For: Jayshree Ullal05/28/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What did Arista Networks (ANET) CEO Jayshree Ullal report in this Form 4?

Jayshree Ullal reported selling 13,809 Arista Networks common shares in open-market transactions. The trades occurred on May 26, 2026 and were executed at weighted average prices in the mid-$150s per share under a pre-arranged Rule 10b5-1 trading plan.

How many Arista Networks (ANET) shares did Jayshree Ullal sell and at what prices?

She sold a total of 13,809 common shares. Individual sale tranches were reported at weighted average prices of about $154.47, $155.48, $156.22 and $157.30 per share, with each tranche executed across multiple trades within a narrow intraday price range.

Was Jayshree Ullal’s Arista Networks (ANET) stock sale pre-planned?

Yes. The filing states the sales were made under a Rule 10b5-1 trading plan. The plan was adopted on November 14, 2025, meaning the transactions were scheduled in advance rather than being discretionary trades based on short-term market conditions.

What indirect Arista Networks (ANET) holdings does Jayshree Ullal report through trusts?

She reports significant indirect holdings through several trusts. These include 17,482,010 shares in a family trust, 5,209,207 shares in each of two children’s trusts, and 30,000 shares in each of two additional family trusts, with shared voting and investment control in certain cases.

Does Jayshree Ullal claim full beneficial ownership of the Arista Networks (ANET) trust shares?

No. The filing notes she disclaims beneficial ownership of some trust-held shares. For certain children’s and relatives’ trusts, she shares voting and investment control but disclaims beneficial ownership, even though the positions must still be reported due to her trustee or co-trustee role.

How does this Arista Networks (ANET) Form 4 describe the sale pricing detail?

The prices are reported as weighted averages for each sale tranche. Footnotes explain that underlying trades occurred in multiple lots within specified ranges, such as $154.00–$154.97, $155.00–$155.95, and $156.00–$156.52, with full breakdowns available upon request.